<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <meta http-equiv="X-UA-Compatible" content="ie=edge" />
    <title>Document</title>
  </head>

  <body>
    <div id="app"></div>
    <script>
      function Phone() {}
      Phone.name = "苹果"
      Phone.call = function () {
        console.log("打电话")
      }
      let apple = new Phone()
      console.log(apple.name)
    </script>
  </body>
</html>
